InChI=1/C20H14BrClN4O/c21-17-7-8-18(19-16(17)2-1-9-23-19)25-20(27)14-5-3-13(4-6-14)11-26-12-15(22)10-24-26/h1-10,12H,11H2,(H,25,27)/f/h25H 87A9A995C7A03619